Shooter's rifle jammed

The semi-automatic rifle used in the Colorado theater killings jammed during the rampage, apparently because of a problem with the 100-shot magazine feeding it, a law enforcement source with direct knowledge of the investigation said Sunday.

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In another bizarre detail about how Las Vegas shooter Stephen Paddock spent his last days at the Mandalay Bay resort and casino before launching the worst mass shooting in US history, one unidentified law enforcement source told CBS that Paddock twice called hotel security the night before the shooting to complain about loud country music emanating from the floor below.

A firearm that the authorities said was used in a mass shooting at an Orlando, Florida, nightclub is a descendant of one of the world’s most widely distributed and familiar infantry weapons, and a type of rifle that has been involved in previous mass shootings in the United States.
Chief John Mina of the Orlando Police Department said the killer’s weapons included a handgun and an “AR-15-type assault rifle.”
The first AR-15s were designed in the 1950s by Eugene Stoner, a former Marine, who developed the weapon to military standards and for military service.

MONTREAL — Richard Bain showed up at the 2012 Parti Québécois victory celebration with an arsenal of semi-automatic weapons and ammunition clips modified to do maximum damage, a jury heard Thursday as his first-degree murder trial opened.
In his opening statement, Crown prosecutor Dennis Galiatsatos said Bain had become upset earlier on the day of Sept. 4, 2012 when he was turned away at a polling station because he had not registered a change of address.

Richard Henry Bain has been found guilty of second-degree murder for shooting and killing stagehand Denis Blanchette the night of the 2012 Quebec provincial election.
The 12-member jury in Bain’s trial reached the verdict after 11 days of deliberations. Bain was also found guilty of three counts of attempted murder.

Joe Raedle/Getty ImagesSeveral news outlets have identified the weapon used in the Orlando terrorist attack as an AR-15 rifle.
“AR-15 Rifle Used in Orlando Massacre Has Bloody Pedigree,” an NBC News headline reads.

MONCTON, N.B. — Justin Bourque targeted police officers because of “the badge they wore” when he shot three RCMP officers dead and wounded two others in Moncton, N.B., the Crown said as a sentencing hearing got underway Monday.
Crown lawyer Cameron Gunn began laying out his case that Bourque should have his parole ineligibility set at 75 years while serving a life sentence for three counts of first-degree murder and two counts of attempted murder.

Elliot Rodger’s gun rampage has put America’s gun laws back in the spotlight after it was revealed that his arsenal of weapons was purchased entirely legally.
When sheriff’s deputies hauled his body from his crashed black BMW coupe, they found three semi-automatic handguns and more than 400 rounds of ammunition.
Richard Martinez, the grieving father of one of Rodger’s six victims, put the gun- control debate centre stage, in a searingly raw appearance before the cameras after the death of his son, Christopher.